wood joist木搁栅;木龙骨;木阁棚
trimmer joist托梁
bar joist[建] 轻钢搁架;轻钢搁架
tail joist尾梁;半端梁;挑出的搁栅尾端
joist bar梁钢
trim joist托梁;托架
sidewalk joist[交] 人行道搁栅
common joist普通搁栅;[建] 普通搁梁
joist nail[五金] 搁栅钉
N-COUNT（可数名词） Joists are long thick pieces of metal, wood, or concrete that form part of the structure of a building, usually to support a floor or ceiling. 托梁